Affiliation:
1. Northeastern University
2. Toyota Technological Institute
3. Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology
Abstract
In this paper, a no-core tellurite optical fiber (NCTOF)-based sensor was proposed for cryogenic temperature detection in refrigeration process. The ultraviolet adhesive (UVA) dual-curing method was operated to stablish a sandwich-like composite structure, in which a section of NCTOF was compactly sandwiched between two segments of silica fiber to form multimode interference. The temperature sensing characteristics in cryogenic range were experimentally investigated by monitoring the transmission spectral movement, where a high sensitivity of 105.6 pm/°C was achieved in the range of −20-0 °C and 51.6 pm/°C in the range of −20-25 °C. The excellent performance was consistent with the simulation analysis. The maximum repeatability standard deviation and stability wavelength error of the sensor are 0.9799 pm/°C and 0.1676 nm, respectively. To the best of our knowledge, this is the first report on using tellurite optical fibers for cryogenic temperature detection, and the UVA dual-curing method provides a reliable solution for the integration and practical application of tellurite optical fiber. The proposed sensor is simple in structure, easy in fabrication, low in cost and excellent in performance. It can be expected to be used in food refrigeration, air-conditioning engineering, medical and health, industrial production, etc.
Funder
National Key Research and Development Program of China
Fundamental Research Funds for the Central Universities
Natural Science Foundation of Science and Technology Department of Liaoning Province
Hebei Natural Science Foundation under Grant
JSPS KAKENHI
111 Project
Subject
Atomic and Molecular Physics, and Optics
Cited by
3 articles.
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